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min_const_generics: allow ty param in repeat expr

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This commit is contained in:
Bastian Kauschke 2020-10-22 10:32:41 +02:00
parent 8f0fa9d51f
commit 4a15a25662
9 changed files with 192 additions and 38 deletions
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20
src/test/ui/const-generics/min_const_generics/complex-expression.rs
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@ -1,5 +1,7 @@
#![feature(min_const_generics)]
use std::mem::size_of;
fn test<const N: usize>() {}
fn ok<const M: usize>() -> [u8; M] {
@ -22,6 +24,24 @@ fn break3<const N: usize>() {
//~^ ERROR generic parameters may not be used in const operations
}
struct BreakTy0<T>(T, [u8; { size_of::<*mut T>() }]);
//~^ ERROR generic parameters may not be used in const operations
struct BreakTy1<T>(T, [u8; { { size_of::<*mut T>() } }]);
//~^ ERROR generic parameters may not be used in const operations
fn break_ty2<T>() {
let _: [u8; size_of::<*mut T>() + 1];
//~^ ERROR generic parameters may not be used in const operations
}
fn break_ty3<T>() {
let _ = [0; size_of::<*mut T>() + 1];
//~^ WARN cannot use constants which depend on generic parameters in types
//~| WARN this was previously accepted by the compiler but is being phased out
}
trait Foo {
const ASSOC: usize;
}